IMAT 2017 Q48 [Particles in Solutions]

Consider the following list of particles:

  1. molecules
  2. ions
  3. single atoms

Which one of the following options correctly describes the particles that are present in an aqueous solution of sodium chloride?

A. 1 and 2 only
B. 1, 2 and 3
C. 3 only
D. 1 only
E. 2 only